I-CHAMPIONSGATE, Fla., Novemba 24, 2010 / PRNewswire-USNewswire / - A umbiko omusha wokuhlolwa kobungozi elethwe yi-International Academy of Oral Medicine and Toxicology kulenyanga ku-US Food and Drug Administration (FDA) lixwayisa ngokuthi i-mercury evela ekugcwalisweni kwamazinyo ilinganiselwa ukuthi izobangela ukuthi abantu baseMelika abayizigidi ezingama-67.2 badlule iReferensi Yokuveza Izinga (REL) le-0.3 ug / m3 elisunguliwe yi-US Environmental Protection Agency (US EPA) ngo-1995. Uma iREL evikela kakhulu engu-0.03 ug / m3 eyasungulwa ngonyaka ka-2008 yi-California Environmental Protection Agency iyasetshenziswa, umthamo wamanje ophephile mhlawumbe yeqiwe ngabantu baseMelika abayizigidi eziyi-122.3.
